Valvetrain Friction Reduction through Thin Film Coatings and Polishing

Autor: Steve Matera, Kirk Sheffer, Douglas G. McWatt, Robert Stephen Novi Furby, Arup Gangopadhyay, S. J. Simko, Rob Zdrodowski

Publikováno v: Tribology Transactions. 55:99-108

In a direct-acting mechanical bucket tappet–type valvetrain, the cam and tappet contact is responsible for about 85% of the total valvetrain frictional losses. Because this contact operates primarily in a mixed lubrication regime, it offers an oppo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1db3d0f1d00c1414ca687f88361cac36
https://doi.org/10.1080/10402004.2011.636169

Friction, Wear, and Surface Film Formation Characteristics of Diamond-Like Carbon Thin Coating in Valvetrain Application.

Autor: GANGOPADHYAY, ARUP, SINHA, KAUSTAV, UY, DAIRENE, MCWATT, DOUGLASG., ZDRODOWSKI, ROBERTJ., SIMKO, STEVENJ.

Publikováno v: Tribology Transactions; Jan/Feb2011, Vol. 54 Issue 1, p104-114, 11p, 2 Color Photographs, 4 Diagrams, 1 Chart, 9 Graphs